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Exam 1z0-071 topic 1 question 56 discussion

Actual exam question from Oracle's 1z0-071
Question #: 56
Topic #: 1
[All 1z0-071 Questions]

Which three statements are true about multiple row subqueries? (Choose three.)

  • A. Two or more values are always returned from the subquery.
  • B. They can contain HAVING clauses.
  • C. They can contain GROUP BY clauses.
  • D. They can return multiple columns.
  • E. They cannot contain a subquery.
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Suggested Answer: BCD 🗳️
by astride at April 2, 2023, 5:11 p.m.

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bfb7c7d
3 months, 2 weeks ago
multiple row subqueries return multiple row with one column . then how D could be the answer.
upvoted 1 times
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ArslanAltaf
9 months ago
A is wrong due to word ALWAYS. it is not necessary multiple row sub query always return multiple rows, it can return one row also depends on DB. BCD is correct
upvoted 3 times
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CMjer
1 year, 8 months ago
Selected Answer: BCD
BCD, https://www.w3resource.com/sql/subqueries/multiplee-row-column-subqueries.php
upvoted 2 times
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astride
1 year, 9 months ago
Selected Answer: ABC
A Must to be also true because it severals rows which are values
upvoted 1 times
kaplanek
1 year, 9 months ago
keyword ALWAYS makes it untrue, subquery can return 1 value
upvoted 7 times
hoangHai_Pro
9 months, 3 weeks ago
if 1 values (1 row) => single row subqueries
upvoted 1 times
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